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Physico-chemical parameters of industrial efflents from a starch-mill industry in Anambra State, Nigeria

Author Affiliations

  • 1Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, Awka, Nigeria
  • 2Department of Microbiology, Abia State University, Abia State, Nigeria

Int. Res. J. Environment Sci., Volume 8, Issue (3), Pages 26-33, July,22 (2019)

Abstract

Environmental pollution is one of the chief causes of sickness in our society. Industrial effluents unfortunately have their final destinations in streams, which serve as the main source of water supply to most rural communities. There is need to monitor the effluents discharged by industries to ensure that they comply with regulatory standards. This work examined some physicochemical parameters of effluents from a Starch-mill Industry in Anambra state. This company discharged effluents in non-compliance with the Nigerian National Regulations as confirmed from the Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Electrical Conductivity (EC), Nitrogen, and Turbidity results from this research. The heavy metals except Lead and Copper had concentrations that were within WHO/FEPA limits. The Lead (Pb) and Copper (Cu) concentrations of the Starch Mill was above the WHO and FEPA standards. The other heavy metals have concentrations that were within WHO/FEPA limits. These confirmed results posed health risks to several rural communities which rely on the receiving water bodies as their primary source of domestic water. There is need for the intervention of appropriate regulatory agencies to ensure production of high quality treated final effluents. This scenario is typical of most industries in developing nations where enforcement of environmental regulations are deficient. To avoid pollution, Regulatory Authorities should closely monitor compliance by industries.

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